These are appearing three or four times a day, and I have analysed them over and over and I can’t figure out which device or filesystem is generating them.

I recently lost a device on the RAID10 labelled thialfi2, I’m waiting for a replacement spare. But “btrfs --repair” and “btrfs filesystem scrub” return no errors on all filesystems. The filesystem labelled mounted at “/mnt/archive” is on a USB external drive.

It’s possible these are just verbose debugging info that don’t matter, but I’d like to make sure.